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Leases (Details 1)
$ in Thousands
Mar. 31, 2020
USD ($)
Operating Leases [Member]  
Maturities of lease liabilities  
Operating Leases, The remainder of 2020 $ 513
Operating Leases, 2021 630
Operating Leases, 2022 377
Operating Leases, 2023 375
Operating Leases, Thereafter
Operating Leases, Total undiscounted cash flows 1,895
Operating Leases, Less imputed interest (277)
Operating Leases, Present value of lease liabilities 1,619
Finance Leases [Member]  
Maturities of lease liabilities  
Finance Leases, The remainder of 2020 15
Finance Leases, 2021 4
Finance Leases, 2022 1
Finance Leases, 2023
Finance Leases, Thereafter
Finance Leases, Total undiscounted cash flows 20
Finance Leases, Less imputed interest (2)
Finance Leases, Present value of lease liabilities $ 18